One vertex per element, one color per generator, with an edge from x to x·s.
(17,18,22,23)(19,21,25,29)(20,24,27,30)(26,28,31,32)(33,34,39,44)(35,42,37,40)(36,38,43,41)(45,48,47,46)(1,2,6,4)(3,7,9,10)(5,12,13,8)(11,16,15,14)(17,19,22,25)(18,21,23,29)(20,26,27,31)(24,28,30,32)(33,35,39,37)(34,40,44,42)(36,47,43,45)(38,48,41,46)(2,4)(3,9)(8,12)(11,15)(18,23)(19,25)(20,27)(28,32)(33,36,39,43)(34,41,44,38)(35,45,37,47)(40,48,42,46)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,16)(13,15)(17,20)(18,24)(19,26)(21,28)(22,27)(23,30)(25,31)(29,32)(33,37,39,35)(34,42,44,40)(36,47,43,45)(38,48,41,46)(1,4,6,2)(3,10,9,7)(5,12,13,8)(11,16,15,14)(17,19)(18,21)(20,26)(22,25)(23,29)(24,28)(27,31)(30,32)(33,38,39,41)(34,43,44,36)(35,46,37,48)(40,47,42,45)(1,5,6,13)(2,8,4,12)(3,11,9,15)(7,14,10,16)(17,21)(18,19)(20,28)(22,29)(23,25)(24,26)(27,32)(30,31)(33,34)(35,40)(36,41)(37,42)(38,43)(39,44)(45,48)(46,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.